+% my($cust_svc)=qsearchs('cust_svc',{'svcnum'=>$svcnum})
+% or die "Unknown (cust_svc) svcnum!";
+%
+% $pkgnum=$cust_svc->pkgnum;
+% $svcpart=$cust_svc->svcpart;
+%
+% $part_svc=qsearchs('part_svc',{'svcpart'=>$svcpart});
+% die "No part_svc entry!" unless $part_svc;